Name	Known for
Bessie Carter Nancy Mitford Nancy Mitford See fewer	Les Misérables (2012)
James Purefoy David Freeman-Mitford David Freeman-Mitford See fewer	Rome (2005)
Anna Chancellor Sydney Bowles Mitford Sydney Bowles Mitford See fewer	What a Girl Wants (2003)
Joanna Vanderham Diana Mitford Diana Mitford See fewer	Warrior (2019)
Calam Lynch Bryan Guinness Bryan Guinness See fewer	Sweetpea (2024)
Joshua Sasse Oswald Mosley Oswald Mosley See fewer	No Tomorrow (2016)
Toby Regbo Tom Mitford Tom Mitford See fewer	Mr. Nobody (2009)
Isobel Jesper Jones Pamela Mitford Pamela Mitford See fewer	The Hunger Games: The Ballad of Songbirds & Snakes (2023)
Jamie Blackley Peter Rodd Peter Rodd See fewer	If I Stay (2014)
Will Attenborough Joss Joss See fewer	Dunkirk (2017)
Zoe Brough Jessica Mitford Jessica Mitford See fewer	Father Brown (2013)
Shannon Watson Unity Mitford Unity Mitford See fewer	Say Nothing (2024)
Orla Hill Deborah Mitford Deborah Mitford See fewer	Swallows and Amazons (2016)
Julia Westcott-Hutton Diana's friend Diana's friend See fewer	Jeremy Vine (2018)
James Musgrave Hamish Erskine Hamish Erskine See fewer	The King's Man (2021)